Product Overview
The Caterpillar CAT 330D is a 30-ton-class hydraulic crawler excavator designed for mining, quarrying, road construction, earthmoving, foundation excavation, and other heavy-duty projects.
Each machine undergoes a comprehensive remanufacturing process, including complete disassembly, component inspection, replacement of worn parts, hydraulic-system rebuilding, pressure testing, operational adjustment, and multi-stage quality inspection. Powered by a robust CAT C9 engine, the CAT 330D delivers dependable digging power and stable performance under demanding conditions.
Main Specifications
| Item | Specification |
|---|---|
| Model | Caterpillar CAT 330D |
| Machine Type | Hydraulic Crawler Excavator |
| Operating Class | 30-Ton Class |
| Standard Operating Weight | 33,750 kg |
| 330DL Long Undercarriage Version | 36,151 kg |
| LN Narrow Undercarriage Version | 35,300–37,500 kg |
| GC Lightweight Version | 29,000–30,300 kg |
| Overall Dimensions | 11,150 × 3,190 × 3,340 mm |
| Boom Length | 6,500 mm |
| Standard Stick Length | 3,200 mm |
| Bucket Capacity | 1.4–2.0 m³ |
| Engine Model | CAT C9 |
| Engine Type | Direct-Injection Diesel Engine |
| Cab | ROPS Protective Cab with Air Conditioning |
| Available Buckets | Standard Earthmoving Bucket / Reinforced Rock Bucket |
| Machine Condition | Deeply Remanufactured and Factory Tested |
Specifications may vary according to the machine version, production year, undercarriage type, bucket, and optional attachments.
Key Product Advantages
- Comprehensive disassembly, inspection, and remanufacturing
- Hydraulic pumps, motors, seals, and other critical parts inspected or replaced
- Hydraulic pipelines pressure-tested before delivery
- Powerful CAT C9 direct-injection diesel engine
- Suitable for heavy digging, hard soil, quarrying, and mining applications
- Multiple crawler-undercarriage configurations available
- Wear-resistant undercarriage parts for demanding jobsites
- Stable traveling performance on rough and uneven terrain
- Compatible with hydraulic breakers, long-reach booms, and other attachments
- ROPS protective cab with air conditioning and ergonomic controls
- Customized operator-station configurations available for different markets
- Large international machine population with readily available spare parts
- Sufficient inventory for individual and bulk orders
- Worldwide shipping and export support available
CAT C9 Engine
The CAT 330D is equipped with a powerful C9 diesel engine that provides strong torque and dependable performance for heavy-duty excavation.
The direct-injection design offers convenient maintenance and reliable operation. Its widespread international use also makes engine parts and technical support easier to obtain in many overseas markets.
Hydraulic System
The hydraulic system is comprehensively inspected and refurbished to restore stable digging performance and responsive operation.
The refurbishment scope includes:
- Hydraulic pump inspection and rebuilding
- Hydraulic motor inspection or replacement
- Replacement of aging oil seals
- Hydraulic hose and pipeline pressure testing
- Cylinder inspection and sealing-system maintenance
- Hydraulic oil and filter replacement
- Complete system adjustment and performance testing
Heavy-Duty Undercarriage
Different undercarriage configurations are available for specific working conditions:
Standard Undercarriage
Suitable for general earthmoving, road construction, site preparation, and municipal projects.
330DL Long Undercarriage
The extended undercarriage provides improved stability for heavy excavation, lifting, quarrying, and mining operations.
LN Narrow Undercarriage
Designed to provide a more compact transport and working profile while maintaining dependable stability.
GC Lightweight Version
Suitable for customers requiring lower operating weight, reduced transportation costs, and economical performance in general construction applications.
Bucket and Attachment Options
The CAT 330D can be supplied with different buckets and engineering attachments.
Available options include:
- Standard earthmoving bucket
- Reinforced heavy-duty bucket
- Rock bucket
- Hydraulic breaker
- Hydraulic shear
- Pulverizer
- Grapple
- Ripper
- Quick coupler
- Long-reach boom and arm
- Custom boom and stick configurations
Remanufacturing Process
Every CAT 330D excavator undergoes a structured refurbishment and testing process before shipment:
- Complete machine disassembly and inspection
- Engine, transmission, and cooling-system inspection
- Replacement of aging and damaged components
- Hydraulic pump and motor rebuilding
- Replacement of hydraulic seals and worn hoses
- Hydraulic pipeline pressure testing
- Undercarriage, rollers, sprockets, and tracks inspection
- Electrical and control-system testing
- Cab, air conditioner, seat, and control-lever refurbishment
- Surface preparation and professional repainting
- Complete machine adjustment and operational testing
- Multi-stage quality inspection before delivery
Main Applications
This remanufactured CAT 330D excavator is suitable for:
- Mining and quarry operations
- Hard-soil excavation
- Rock loading and breaking
- Road and highway construction
- Building foundation excavation
- Large-scale earthmoving projects
- Pipeline and utility construction
- Municipal infrastructure projects
- Land development and site preparation
- Demolition and material handling
Cab and Customization
The machine is equipped with a ROPS protective cab, air-conditioning system, comfortable operator seat, and responsive control levers.
Customization options include:
- Operator-station configuration for different export markets
- Standard or reinforced bucket
- Long or narrow undercarriage
- Long-reach boom and arm
- Hydraulic breaker pipeline
- Cab protection devices
- Exterior color and customer logo
- Tropical cooling and dust-protection packages
Quality Inspection
Before delivery, every machine is tested under simulated working conditions. The inspection covers:
- Engine starting and power output
- Hydraulic operating pressure
- Boom, arm, and bucket movements
- Swing and traveling performance
- Oil and coolant leakage
- Undercarriage condition
- Electrical and safety systems
- Machine stability under load
Worldwide Supply and Shipping
CAT 330D excavators have a large global user base, making maintenance services and spare parts relatively easy to access. We maintain sufficient stock and can support single-unit orders, mixed equipment orders, and bulk procurement for overseas projects.
Contact us for current inventory, machine photos, working videos, detailed inspection reports, quotations, and international shipping solutions.
